github.com/status-im/status-go@v1.1.0/services/wallet/thirdparty/paraswap/request_token_list.go (about)

     1  package paraswap
     2  
     3  import (
     4  	"context"
     5  	"encoding/json"
     6  	"errors"
     7  	"fmt"
     8  )
     9  
    10  const tokensURL = "https://api.paraswap.io/tokens/%d" // nolint: gosec
    11  
    12  type Token struct {
    13  	Symbol   string `json:"symbol"`
    14  	Address  string `json:"address"`
    15  	Decimals uint   `json:"decimals"`
    16  	Img      string `json:"img"`
    17  	Network  int    `json:"network"`
    18  }
    19  
    20  type TokensResponse struct {
    21  	Tokens []Token `json:"tokens"`
    22  	Error  string  `json:"error"`
    23  }
    24  
    25  func (c *ClientV5) FetchTokensList(ctx context.Context) ([]Token, error) {
    26  	url := fmt.Sprintf(tokensURL, c.chainID)
    27  	response, err := c.httpClient.DoGetRequest(ctx, url, nil, nil)
    28  	if err != nil {
    29  		return nil, err
    30  	}
    31  
    32  	return handleTokensListResponse(response)
    33  }
    34  
    35  func handleTokensListResponse(response []byte) ([]Token, error) {
    36  	var tokensResponse TokensResponse
    37  	err := json.Unmarshal(response, &tokensResponse)
    38  	if err != nil {
    39  		return nil, err
    40  	}
    41  
    42  	if tokensResponse.Error != "" {
    43  		return nil, errors.New(tokensResponse.Error)
    44  	}
    45  
    46  	return tokensResponse.Tokens, nil
    47  }